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4O3A High Power Band Pass Filters

4O3A High Power Band Pass Filters are intended for installation on the output side of a linear amplifier, filtering out harmonics as well as broadband noise from the power amplifier. Typical Applications: • Mitigating intra and inter station interference during contests. • Protecting receiver circuitry from damage. • Reducing RFI egress and ingress during everyday operation. • Enabling full duplex operation (transmitting and receiving simultaneously) on capable transceivers. • High power handling capability – up to 4,500 Watts ICAS. • Exceptional out of band rejection, typically > 55 dB and sometimes as high as 75 dB on adjacent 'contest' bands thanks to the 5 pole filtering.

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